The market is the economic contact method which is the basic content of Commodity Exchange. Under the condition of commodity economy, the premise of exchange generation and existence is social division of labor and commodity production. Because of the social division of labor, the different producers, respectively, engaged in the production of different products, did not meet the needs of themselves and others and exchange their respective product, so that the general labor products into commodities, make the product production is transformed into commodity production. It is under this condition that the market for goods to be exchanged to meet the needs of different producers is born. Therefore, the market is the product of the division of labor and the exchange of goods under the conditions of commodity economy. The market and commodity economy have inalienable internal relation. Diego mentioned that miolo is a good example of how Brazilian wines are developing in China. Miolo is one of the first Brazilian wineries to enter the Chinese market. At present, they have branches in Shanghai, guangzhou and sanya. For the Chinese market, have learned to say the word "cheers" m oro wine export department manager Jim Anderson, Rodney talked about some of his views, he thinks the Chinese in red wine consumption is just rise, the huge population base market contains huge potential. "The consumer view of wine is shaping up here," he said. Our clients in China are mainly divided into two categories: one is that they don't know much about red wine, and they usually choose the cheapest one. The other is to have a certain understanding of red wine, already will choose some high-quality red wine according to its taste. There is a large population, and the consumption of red wine is just emerging, with great potential. We regard China as one of the most important overseas markets. Phoenix iMarkets compiled from ZeroHedge, according to government data compiled by Labyrinth consulting services, the growth trend of U.S. personal vehicle mileage (VMT) has been steady since June 2017. The possibility of a halt to growth in U.S. personal vehicle miles (VMT) has been around since the start of 2014, which could signal a slowdown in crude oil consumption. "Austerity has failed and will only continue to undermine our economy in the brexit negotiations," he added. In 2010, China overtakes Japan being the other world's economy. According to economists, China remains to be a developing country with fast pace of growth. Data released that Japan\'s gross domestic product is $1.286 trillion while it is worth $1.335 trillion for China. Another source demonstrates Japan keeps growing at 2-3 percent in compared with 10 % a year of China. In the early 20th century, famous American economist elvin fisher developed the theory of economic gain. In its book "the nature of capital and yield", first, the concept of yield is analyzed in terms of the performance of earnings, and three different types of benefits are proposed: